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ListValues[A: A, N: ListNode[A] #read]

[Source]

Iterate over the values in a list.

class ref ListValues[A: A, N: ListNode[A] #read] is
  Iterator[N->A] ref

Implements

Constructors

create

[Source]

Keep the next list node to be examined.

new ref create(
  head: (N | None val),
  reverse: Bool val = false)
: ListValues[A, N] ref^

Parameters

  • head: (N | None val)
  • reverse: Bool val = false

Returns

Public Functions

has_next

[Source]

If we have a list node, we have more values.

fun box has_next()
: Bool val

Returns

next

[Source]

Get the value of the list node and replace it with the next one.

fun ref next()
: N->A ?

Returns

  • N->A ?

© 2016-2018, The Pony Developers
© 2014-2015, Causality Ltd.
Licensed under the BSD 2-Clause License.
https://stdlib.ponylang.io/collections-ListValues